21 September 1975 at Bury Gate
| Unlimited (The South Coast Cup) | LH Sidecars (Edward Munns Memorial) | Invitation |
| 1- Ray Cook | 1- Brian Metson & Merv Richards | 1- Dave Spain |
| 2- Dave Spain | 2- Bruce Ford-Dunn & Dave Penn | 2- Geoff Law |
| 3- Barry Hazelton | 3- Peter Duke & Dave West | 3- Robert Williams |
| LH Sidecars (The South Coast Cup) | 350cc – 500cc | LH Sidecars (1) |
| Not Known | 1- Dave Spain | Not Known |
| 2- Roland Duke | ||
| 250cc – 350cc | 3- Ray Cook | 250cc |
| 1- Dave Spain | 1- Ray Watson | |
| 2- Roland Duke | 2- Ray Cook | |
| 3- Barry Hazelton | 3- Bernie Edwards |
17 August 1975 at Pulborough
| Unlimited Solo | RH Sidecars | 500cc |
| 1- Graham Hurry | 1- Dave Glaysher & Alan Murray | 1- David Spain |
| 2- David Spain | 2- Martin Cox & Tony Beale | 2- Graham Hurry |
| 3- John Rowney | 3- Lennie Diggins & Dave Stewart | 3- John Rowney |
| 350cc | LH Sidecars | 250cc |
| 1- David Spain | 1- Ernie Penfold & Pete Titley | 1- Warwick Barnes |
| 2- Alan Gordon | 2- Bruce Ford-Dunn & Dave Penn | 2- Ray Watson |
| 3- Alan Martin | 3- Eric Tysoe & Terry Patchol | 3- Bernie Edwards |
| Solo (Scratch) | 500cc (Scratch) | 250cc (Scratch) |
| 1- Barry Hazelton | 1- David Spain | 1- Bernie Edwards |
| 2- David Spain | 2- Ray Cook | 2- Ray Watson |
| 3- Andrew Downey | 3- Jason Rennison | 3- Mike Adlington |
| LH Sidecars (GTSA Sidecar Challenge Cup) | 350cc (Scratch) | RH Sidecars (Scratch) |
| 1- Ernie Penfold & Pete Titley | 1- David Spain | 1- Dave Glaysher & Alan Murray |
| 2- Peter Duke & Dave West | 2- Barry Hazelton | 2- Charlie Coleman & E. Wilkins |
| 3- Dave Penfold & Tom Penfold | 3- Ronald Page | 3- Brian Luker & David Dar |